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node_modules/rxjs/dist/esm5/internal/operators/bufferCount.js

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+import { __values } from "tslib";
+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { arrRemove } from '../util/arrRemove';
+export function bufferCount(bufferSize, startBufferEvery) {
+    if (startBufferEvery === void 0) { startBufferEvery = null; }
+    startBufferEvery = startBufferEvery !== null && startBufferEvery !== void 0 ? startBufferEvery : bufferSize;
+    return operate(function (source, subscriber) {
+        var buffers = [];
+        var count = 0;
+        source.subscribe(createOperatorSubscriber(subscriber, function (value) {
+            var e_1, _a, e_2, _b;
+            var toEmit = null;
+            if (count++ % startBufferEvery === 0) {
+                buffers.push([]);
+            }
+            try {
+                for (var buffers_1 = __values(buffers), buffers_1_1 = buffers_1.next(); !buffers_1_1.done; buffers_1_1 = buffers_1.next()) {
+                    var buffer = buffers_1_1.value;
+                    buffer.push(value);
+                    if (bufferSize <= buffer.length) {
+                        toEmit = toEmit !== null && toEmit !== void 0 ? toEmit : [];
+                        toEmit.push(buffer);
+                    }
+                }
+            }
+            catch (e_1_1) { e_1 = { error: e_1_1 }; }
+            finally {
+                try {
+                    if (buffers_1_1 && !buffers_1_1.done && (_a = buffers_1.return)) _a.call(buffers_1);
+                }
+                finally { if (e_1) throw e_1.error; }
+            }
+            if (toEmit) {
+                try {
+                    for (var toEmit_1 = __values(toEmit), toEmit_1_1 = toEmit_1.next(); !toEmit_1_1.done; toEmit_1_1 = toEmit_1.next()) {
+                        var buffer = toEmit_1_1.value;
+                        arrRemove(buffers, buffer);
+                        subscriber.next(buffer);
+                    }
+                }
+                catch (e_2_1) { e_2 = { error: e_2_1 }; }
+                finally {
+                    try {
+                        if (toEmit_1_1 && !toEmit_1_1.done && (_b = toEmit_1.return)) _b.call(toEmit_1);
+                    }
+                    finally { if (e_2) throw e_2.error; }
+                }
+            }
+        }, function () {
+            var e_3, _a;
+            try {
+                for (var buffers_2 = __values(buffers), buffers_2_1 = buffers_2.next(); !buffers_2_1.done; buffers_2_1 = buffers_2.next()) {
+                    var buffer = buffers_2_1.value;
+                    subscriber.next(buffer);
+                }
+            }
+            catch (e_3_1) { e_3 = { error: e_3_1 }; }
+            finally {
+                try {
+                    if (buffers_2_1 && !buffers_2_1.done && (_a = buffers_2.return)) _a.call(buffers_2);
+                }
+                finally { if (e_3) throw e_3.error; }
+            }
+            subscriber.complete();
+        }, undefined, function () {
+            buffers = null;
+        }));
+    });
+}
+//# sourceMappingURL=bufferCount.js.map